added uniphore user

Author: mangatrai

.streamlit/secrets.toml.example

@@ -14,8 +14,8 @@ LANGCHAIN_PROJECT = ""
 [passwords]
 # Follow the rule: username = "password"
 # Where username defines the Astra Vector Table and the rails.csv experience
-postnl = "password_xyz"
-datastax = "password_abc"
+postnl = ""
+datastax = ""
 
 [languages]
 # Follow the rule: username = "localization_code"